mar 7, 680 - The Second Fitna begins
Description:
After the death of Mu'awiya strife breaks out between Muslims over his succession. This is recognized as the first official break between Sunni Muslims who believe in the legitimacy of all four of the Rashidun caliphs and the Shi'a, who believe that only Ali and his descendants have the right to rule. The Umayyad forces are eventually are able to put the uprisings down during the siege of Mecca in 692.
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Islam Timeline
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